期刊
ORGANIC LETTERS
卷 17, 期 18, 页码 4424-4427出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.5b02026
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资金
- SERB, New Delhi [SB/S1/OC-63/2013]
- CSIR, New Delhi
The first catalytic enantioselective 1,4-iodofunctionalizations of conjugated dienes have been developed. Starting from beta,gamma,delta,epsilon-unsaturated oximes and 4-Ns hydrazones, these N-iodosuccinimide-mediated reactions are catalyzed by newly modified tertiary aminothiourea derivatives and furnish Delta(2)-isoxazoline and Delta(2)-pyrazoline derivatives, respectively, containing an (E)-allyl iodide group at the quaternary stereogenic center generally in high yield and with excellent enantioselectivity (up to 98.5:1.5 er).
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